nomadseason

Monthly climate in Ramsey, Illinois, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Ramsey features a humid subtropical climate (Cfa).Temperatures typically range between -1 °C (31 °F) and 26 °C (79 °F) through the year, but rarely can drop to -24 °C (-10 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 1207 mm (47.5 inches) and receives 119 rainy days on the 1 mm (0.04 inches) threshold annually.Ramsey enjoys an average of 3005 hours of sunshine throughout the year, and daylight varies from 9 hours 27 minutes to 14 hours 51 minutes per day.

Monthly average temperatures in Ramsey, Illinois, United States §

The warmest months in Ramsey are June, July and August, with daily mean temperatures ranging from 24 to 26 °C (75 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -1 to 3 °C (31 - 37 °F) throughout the day. On average each year, Ramsey experiences 115 days above 25 °C (77.0 °F) and 86 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ramsey, Illinois, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 19°C
(66°F)		 23°C
(74°F)		 25°C
(77°F)		 29°C
(84°F)		 35°C
(95°F)		 36°C
(97°F)		 36°C
(97°F)		 34°C
(93°F)		 34°C
(93°F)		 33°C
(92°F)		 25°C
(77°F)		 19°C
(66°F)
Mean maximum 15°C
(60°F)		 18°C
(65°F)		 22°C
(72°F)		 28°C
(83°F)		 32°C
(90°F)		 34°C
(93°F)		 35°C
(95°F)		 33°C
(92°F)		 33°C
(91°F)		 31°C
(87°F)		 21°C
(70°F)		 18°C
(65°F)
Average high 3°C
(38°F)		 6°C
(43°F)		 12°C
(54°F)		 18°C
(64°F)		 24°C
(76°F)		 30°C
(85°F)		 31°C
(87°F)		 29°C
(84°F)		 27°C
(82°F)		 20°C
(68°F)		 11°C
(52°F)		 8°C
(46°F)
Daily mean -1°C
(31°F)		 1°C
(34°F)		 7°C
(45°F)		 12°C
(54°F)		 19°C
(67°F)		 25°C
(76°F)		 26°C
(79°F)		 24°C
(75°F)		 22°C
(71°F)		 15°C
(58°F)		 6°C
(43°F)		 3°C
(37°F)
Average low -5°C
(24°F)		 -4°C
(26°F)		 2°C
(37°F)		 7°C
(45°F)		 14°C
(58°F)		 19°C
(67°F)		 21°C
(70°F)		 19°C
(66°F)		 16°C
(61°F)		 9°C
(49°F)		 1°C
(34°F)		 -2°C
(29°F)
Mean minimum -17°C
(1°F)		 -17°C
(1°F)		 -9°C
(16°F)		 -2°C
(29°F)		 5°C
(40°F)		 14°C
(58°F)		 15°C
(60°F)		 13°C
(55°F)		 8°C
(47°F)		 -1°C
(31°F)		 -8°C
(18°F)		 -13°C
(9°F)
Minimum -23°C
(-10°F)		 -21°C
(-6°F)		 -17°C
(1°F)		 -5°C
(23°F)		 2°C
(35°F)		 10°C
(50°F)		 14°C
(57°F)		 11°C
(52°F)		 6°C
(43°F)		 -5°C
(23°F)		 -13°C
(8°F)		 -24°C
(-10°F)

Compare climate in Ramsey with other places

Compare temperature, precipitation, sunshine, UV index in Ramsey, Illinois, United States with other places around the world.

Monthly average precipitation in Ramsey, Illinois, United States §

Ramsey usually has the most precipitation in March, April and May, with an average of 12 rainy days and 137 mm (5.4 inches) of precipitation per month.The driest months in Ramsey are February, September and December. On average, 67 mm (2.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ramsey, Illinois, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 78 (3.1) 78 (3.1) 132 (5.2) 131 (5.2) 147 (5.8) 107 (4.2) 97 (3.8) 117 (4.6) 60 (2.4) 115 (4.5) 82 (3.2) 63 (2.5)
Average precipitation days (≥ 1 mm) 8 10 12 11 14 11 11 10 6 10 9 7

Monthly sunshine hours in Ramsey, Illinois, United States §

The sunniest months in Ramsey are June, July and August, when the sun shines an average of 11 hours 8 minutes a day.Least sunny months in Ramsey: January, February and December receive an average of 5 hours 20 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ramsey, Illinois, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 121 172 212 247 288 340 353 331 297 240 207 193
Mean daily daylight hours 9h 45m 10h 44m 11h 58m 13h 15m 14h 19m 14h 51m 14h 34m 13h 36m 12h 23m 11h 7m 10h 0m 9h 27m

Solar UV radiation in Ramsey, Illinois, United States §

Ramsey experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure.January, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Ramsey UV Index data.

Average daily maximum UV levels by month for Ramsey, Illinois, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 3 5 6 9 11 11 10 9 8 6 4 3